well, the navy in thailand, the latest group to go gangnam style. a few dozen soldiers do their thing at the base there at the popular island of butiquette. >> it took three days for the navy to film and edit this masterpiece. the sailors wanted to change their usually serious image to something more fun and why not since everybody is going gangnam style. >> everybody is. >> 330 million times that tune has been watched. >> it's amazing. >> it's number one in australia and the uk. it is catchy. >> it is catchy, no doubt about it. >> come on. >> what is it like this? >> like a horsey. >> okay. >> i'm not doing it. >> you made me do it. instigator over here. >>> all right. coming up, the nation and neighbors joining together to give a little boy with cancer a christmas to remember. it's a story you'll remember as well. >>> but first, there's a new national punch line. replacement refs get a pretty bad rap the past few weeks. just ahead we sit down with one who was on the field during the fail mary. you're watching "world news now." >> announcer: "world